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Exports, Gender Wage Gaps, andPoverty in HondurasRafael E. De Hoyos a , Maurizio Bussolo a & Oscar Núñez ba The World Bank, Washington, DC, USAb Independent, Washington, DC, USA
To cite this article: Rafael E. De Hoyos , Maurizio Bussolo & Oscar Núñez (2012): Exports, GenderWage Gaps, and Poverty in Honduras, Oxford Development Studies, 40:4, 533-551
To link to this article: http://dx.doi.org/10.1080/13600818.2012.732562
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Exports, Gender Wage Gaps, and Povertyin Honduras
RAFAEL E. DE HOYOS, MAURIZIO BUSSOLO & OSCAR NUNEZ
ABSTRACT This paper identifies and estimates the reduction in poverty attributable to theimproved opportunities that international trade integration offered to women in Honduras. Theexpansion of the export-oriented maquila sector has brought gender equality both in terms ofemployment and labour earnings. A simulation exercise shows that, at a given point in time, povertyin Honduras would have been 1.5 percentage points higher had the maquila sector not existed. Ofthis increase in poverty, 0.35 percentage points is attributable to the wage premium paid to maquilaworkers, 0.1 percentage points to the wage premium received by women in the maquila sector, and 1percentage point to employment creation.
JEL Classification: F16, I32, J24, J31
1. Introduction
The main objective of this paper is to identify and estimate the strength of the reduction in
poverty caused by the improved opportunities trade expansion offers to women in the case
of Honduras. Introducing the gender dimension into the empirical analysis of the links
between trade and poverty, which has not been prominent in the available literature,1 sheds
light on the trade and poverty debate and, in turn, may improve policy making.
Gender disparities, an important component of overall inequality, may limit the poverty
reduction impact of trade expansion. As in the general case of growth, gains from trade are
more likely to be pro-poor when initial inequality is low (Ravallion, 2001; Bourguignon,
2002). Besides, by hampering growth, high inequality also directly lowers the rate of
poverty reduction. Ample evidence shows that, in spite of recent improvements, there are
still large gender disparities. Due to social norms and discrimination outside as well as
inside the household, women and men differ not only in terms of education but also in
terms of access to labour markets, remuneration, sectoral employment, control over
resources, and roles within households. Because of these disparities, men and women
cannot take similar advantage of the opportunities created by trade liberalization.
ISSN 1360-0818 print/ISSN 1469-9966 online/12/040533-19
q 2012 Oxford Department of International Development
http://dx.doi.org/10.1080/13600818.2012.732562
Rafael E. De Hoyos (corresponding author) and Maurizio Bussolo, The World Bank, Washington, DC, USA.
Email: [email protected]; [email protected]. Oscar Nunez, Independent, Washington, DC,
USA. Email: [email protected]
Oxford Development Studies,Vol. 40, No. 4, 533–551, December 2012
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The case of Honduras is especially interesting in this context: it is a poor small open
economy that has recently experienced significant changes both in terms of poverty
reduction and integration with international markets. Between 1991 and 2006, the
proportion of the population living in extreme poverty fell from 61.5% to 47.5%. This
large decrease in extreme poverty can be almost entirely explained by progress in urban
areas, where the headcount ratio fell from 52.2% in 1991 to 27.9% in 2006.2
This poverty reduction took place in a period of unstable and relatively low economic
growth during which time the external sector experienced major changes. Tariff protection
was greatly reduced and, perhaps more importantly for identifying the links between trade,
gender, and poverty, Honduras adopted a series of export-friendly tax incentives and
benefited from increased market access due to external shifts in trade regimes (Caribbean
Basin Initiative). These tax incentives and improved market access helped establish a
maquila industry3: in 1990 maquila exports were almost non-existent but, by 2006, they
comprised almost one-third of all export flows, basically replacing shrinking traditional
exports of coffee and bananas.
Given the large expansion of the export-oriented maquila sector, the close relationship
between the performance of this sector and women’s income, and the significant poverty
reduction that occurred, a study of Honduras in this period could shed some light on how
gender shapes the relationship between trade expansion and poverty. More specifically,
this study tests the hypothesis that the reductions in poverty attributed to the maquila
expansion are, to some extent, explained by gender effects.
An important feature of the Honduran case is that its maquila sector has some strong
gender biases. In terms of employment mix, during the 1991–2006 period, close to 7 out
of 10 maquila employees were women. The results presented here show that, controlling
for worker’s observables such as education, years of experience, industry of occupation,
among others, the maquila sector gender wage gap was about 16 percentage points
smaller than the gap observed in other industries.4 These results are in line with previous
studies showing an increase in female labour demand brought about by trade
liberalization in Latin America. For instance, Ver Beek (2001) finds that wages for
women in the maquila industry are higher in Honduras; and De Hoyos (2011) finds that
female labour participation in Mexico increased as a result of the North American Free
Trade Agreement.5
The econometric analysis and partial equilibrium simulations presented below show
that, at a given point in time, poverty in Honduras would have been 1.5 percentage points
higher had the maquila sector not existed. Of this increase in poverty, 0.35 percentage
points is attributable to the wage premium paid to maquila workers, 0.1 percentage points
to the wage premium received by women in the maquila sector, and 1 percentage point to
employment creation.
The paper is organized as follows. The next section presents an overview of the
Honduran economy between 1991 and 2006. It describes the country’s macroeconomic
performance, poverty and inequality indicators, and trends in international trade in general
and the maquila sector in particular. The following section describes the methodology
used to identify the poverty impact of an expansion in the maquila sector as well as the
gender effects embedded in this relationship. The third section presents the results. The
last section summarizes the paper’s main findings.
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2. Trade Expansion and Poverty Alleviation in Honduras, 1990–2006
This section includes a brief description of international trade and its composition, the
importance of the maquila industry, and poverty trends in Honduras since 1990. The data
suggests that the increasing integration with international markets, and its potential
poverty-alleviating effect, is associated with Honduras’ trade-liberalizing policies and the
unilateral trade preferences conceded by the USA under the Caribbean Basin Initiative.
2.1 Trade Policy and the Booming Maquila Sector
In 1990, Honduras began the implementation of pro-trade reforms by unilaterally reducing
tariffs, and in 1994 it joined the General Agreement on Tariffs and Trade. The multilateral
agreement became the base for Honduras’ trade policy, granting, at least, Most Favored
Nation treatment to all its trading partners. Honduras is an active member of the Central
American Common Market. It has signed about a dozen bilateral investment treaties and
free trade agreements with countries including Canada, Colombia, Chile, the Dominican
Republic, Mexico, Panama, Switzerland, Taiwan (China), and the USA. Trade-oriented
policies continue to be at the centre of the development agenda in Honduras, which is
participating in the negotiation of a trade agreement between the European Union and
Central America.
As a result of trade policy, the Honduran economy is developing into a more open and
liberalized economy. Its tariff structure is low and more uniform than it used to be, and
the application of non-tariff measures is very limited. The simple average of implicit
tariff rates decreased from more than 16% in 1991–1992 to about 3.3% in 2005–2006
(Figure 1).6 In 2002, after the damaging effects of Hurricane Mitch, international
trade supported a rapid recovery led by the exports of maquila manufacturing and
agroprocessing industries.
Trade openness in honduras, 1990–2006
0
5
10
15
20
Ave
rage
tarif
f (%
)
0.8
0.9
1
1.1
1.2
(Exp
orts
+ im
port
s)/G
DP
1990 1995 2000 2005
Year
Total trade Trade protection
Figure 1. Trade openness in Honduras, 1990–2006.Source: Authors, based on data from the Banco Central de Honduras and Secretarıa de Finanzas.
Exports and Poverty in Honduras 535
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Between 1999 and 2006, exports and domestic markets became more diversified, and
employment and investment (domestic and foreign) grew, particularly in some non-
traditional export activities. The USA remains the country’s principal trading partner, with
Central America, particularly El Salvador and Guatemala, representing the second most
important market. The European Union is third, with exports to Germany particularly
high. In recent years, exports to Mexico and Canada have also increased significantly.
Maquila has become the single most important export activity in Honduras. In 2006, it
represented 27% of total exports of goods and services, up from virtually zero in 1990.
Between 1990 and 2006, the value added of exports by the sector rose from US$16 million
to US$1062 million, growing at an impressive average annual rate of 33% (Table 1).
According to data from Honduras’ Central Bank (Banco Central de Honduras, 2006), in
the same period, the average annual real wages paid by maquila firms increased steadily
during the 1990s, stabilizing after 2000, partly due to high inflation rates, at around 40 000
lempiras or around US$3000 (Table 1). This evolution indicates an improvement in the
living standards of these workers.
Additionally, the percentage of total exports accounted for by the maquila sector rose
from 1.5% in 1990 to 26% in 2006 (Figure 2). During the same period, the share of
traditional export crops, such as coffee and bananas, declined from 51% to 16%. In contrast
to the sluggish evolution of coffee and bananas, exports of other non-traditional products—
particularly farmed shrimp, minerals, palm oil, and other agroindustries—expanded.7
The unilateral trade preferences conceded by the USA under the Caribbean Basin
Initiative established in 1983, and a variety of other factors (such as logistics, abundant
and low cost of labour, and the granting of export incentives) consolidated the situation of
Honduras as a major exporter of textiles and apparel to the USA.8 In 1995, the value added
of the maquila industry represented 2.2% of GDP and 14.5% of total manufacturing
production; by 2006 the sector accounted for 6.5% of GDP and 36.3% of manufacturing
production (Banco Central de Honduras, 2007). During this period the number of maquila
firms more than doubled, the number of employees working in the sector increased
by 140%, and average annual wages in the sector rose from US$1454 to US$3823 (see
Table 1). In 2001 the expansion of the maquila sector came to a halt, mainly as a result of
the slowdown in the US economy. The sector resumed growth in subsequent years.
Honduras’ maquila sector is highly concentrated on the production of textiles and
apparel. In 2006, 313 firms belonged to the sector, 51% of which produced textiles and
apparel. These firms employed 77.2% of the total workers in the maquila sector. The rest
of the maquila sector is made up of firms engaged in manufacturing electronic components
for automobiles, furniture, and wood products (23.3% of all firms); trade-related activities,
such as the import and sale of spare parts for machinery (18.8%); and services, such as data
processing (6.7%) (Banco Central de Honduras, 2007).
2.2 Poverty and Workers in the Maquila Sector
In 1990, more than 60% of Honduras’ population lived in rural areas; by 2006 this figure
had fallen to 54%. Over the same period, GDP grew at the moderate annual rate of 3.2%,
and the average annual increase in per capita household expenditure was 0.4%. Although
Honduras’ growth achievements are far from remarkable, and disparities in the
distribution of income are growing, the proportion of the population classified as poor fell
almost 13 percentage points between 1991 and 2006 (Table 2).
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Table
1.
Dy
nam
icp
erfo
rman
ceo
fth
emaquila
sect
or
inH
on
du
ras,
19
90
–2
00
6
Mea
sure
19
90
19
95
20
00
20
01
20
02
20
03
20
04
20
05
20
06
Nu
mb
ero
ffi
rms
24
13
52
18
23
02
52
27
32
94
30
63
13
Nu
mb
ero
fem
plo
yee
s(t
ho
usa
nd
s)9
.05
5.0
10
6.5
94
.41
05
.51
14
.21
19
.91
25
.21
30
.1A
ver
age
real
wag
e(l
emp
iras
of
19
99
)1
43
50
24
99
74
31
91
42
69
53
97
09
43
08
94
25
10
42
41
04
13
74
Av
erag
ere
alw
age
(US
do
llar
so
f1
99
9)
98
91
55
73
06
33
11
32
88
03
10
23
08
33
10
63
10
7V
alu
ead
ded
16
16
35
75
56
06
13
71
08
15
96
91
06
2
Notes:
(1)
Av
erag
ew
age
corr
esp
on
ds
toan
nu
alfi
gu
res.
(2)
Val
ue
add
edis
mea
sure
din
mil
lio
ns
of
curr
ent
US
do
llar
s.Source:
Au
tho
rs,
bas
edo
nd
ata
fro
mB
anco
Cen
tral
de
Ho
nd
ura
san
dU
SD
epar
tmen
to
fL
abo
r.
Exports and Poverty in Honduras 537
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Notwithstanding a nationwide reduction in the poverty rates, there has been little
poverty alleviation in rural areas, particularly in the number of households below the
extreme poverty line.9 In contrast, urban areas in Honduras have made substantial progress
against poverty, with the extreme poverty headcount ratio plummeting from 52.2% in
1991 to 27.9% in 2006.
How much of the significant reduction in poverty can be explained by themaquila boom?
The answer depends on the proportion of households in the neighbourhood of the poverty
line whose incomes depend on the maquila sector; the change in real wages of maquila
workers living in households near the poverty line; and the possibility for people near the
poverty line to get jobs in the maquila sector. The share of Honduras’ workforce working in
the maquila sector increased from 1.3% in 1991 to 4.4% in 2006; during this time the
prevalence of poverty among maquila workers fell 22 percentage points (from 54.6%
to 32.9%, or a 40% reduction), an achievement well above the national level (Table 3).10
This is an indicator that the overall poverty reduction documented in Table 2 was at least
Composition of exports in honduras, 1990 – 2006
0
20
40
60
80
Per
cent
of t
otal
exp
orts
1990 1995 2000 2005
Maquila(value added)
Coffee and bananas
Other
Figure 2. Composition of exports in Honduras, 1990–2006.Source: Authors, based on data from the Banco Central de Honduras.
Table 2. Poverty headcount ratio and Gini coefficient in Honduras, 1991–2006 (%)
Welfare measure 1991 1995 2001 2006
Extreme povertyRural 68.0 65.1 69.2 65.1Urban 52.2 41.9 32.7 27.9National 61.5 55.1 51.2 47.5Moderate povertyRural 80.3 75.6 78.1 73.6Urban 79.4 74.4 63.5 59.6National 79.9 75.1 70.9 67.0Gini coefficientNational 52.4 55.5 56.6 58.6
Source: Authors’ computation based on data from EPHPM.
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partly caused by fast-growing labour participation and earnings in the maquila sector. The
potential contribution of the maquila sector to poverty alleviation in Honduras is
significant: in 1991, only 3.3% of the total households above the poverty line had a member
working in a maquila; in 2006 this proportion increased to 10.8%.11 This is hardly
surprising given the high number of jobs created in the maquila industry, which had a direct
positive income effect for those workers who found a job in this sector, and an indirect
effect via the effect on the general equilibrium wages in the economy (Table 3).
An important component of the welfare effect brought about by an increase in maquila
sector activity is its capacity to create new jobs. The proportion of total employment in the
maquila sector increased steadily from 1991 (Table 4). Although the change in the gender
mix in the sector favoured men, in 2006 still more than half of all maquila workers were
women. Two other important aspects highlighted in Table 4 are the increase in the
working-age population and the increase in under-employment. These trends suggest that
the Honduran economy was unable to create new jobs needed to satisfy the
demographically driven increase in labour supply, contributing to the proliferation of
Table 3. Maquila performance and national poverty rates, 1991–2006
Item 1991 1995 2001 2006
Total number of workers inthe maquila sector
19 400 45 327 90 016 106 501
Percentage of active population workingin the maquila sector
1.3 2.6 4.3 4.4
Percentage of maquila workers living underthe poverty line
54.6 58.0 37.6 32.9
Percentage of non-poor households withfamily member working in the maquilasector
3.3 4.4 10.7 10.8
Source: Authors’ computation based on data from EPHPM with the moderate poverty line set by InstitutoNacional de Estadısticas (INE).
Table 4. Labour participation and the maquila contribution, 1991–2006 (%)
Item 1991 1995 2001 2006
Working-age population (15–65) as a percentage of thetotal population
51.7 52.1 53.4 56.1
Percentage of the working-age population thatare active
59.4 61.0 60.8 58.3
Percentage of the active population thatare employed
81.1 76.3 78.5 75.1
Percentage of the employed population thatare men in maquila
0.5 0.9 1.9 2.7
Percentage of the employed population thatare women in maquila
1.1 2.4 3.5 3.1
Percentage of active population, under-employed 14.4 19.4 17.1 22.6Percentage of active population, unemployed 4.5 4.3 4.3 2.3
Source: Authors’ computation based on data from EPHPM.
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part-time jobs, most of which are in the informal sector. In addition, unable to find jobs in
their home country, many young Hondurans have migrated, mainly to the USA.
3. Methodology
The trade reforms introduced in Honduras during the 1990s together with the unilateral
trade preferences conceded by the USA under the Caribbean Basin Initiative could be seen
as an external shock redistributing resources to the maquila sector. Redistribution of
productive factors occurs through price mechanisms. That is, increases in labour demand
in the maquila sector (particularly female labour) cause a rise in the relative wages of
labour, an increase in labour participation, or both (again, with a strong bias favouring
female workers). The poverty impact of the changes brought about by trade reform can be
analysed using the empirical framework developed in this section.12
Household h is defined as poor if its per capita household income (or expenditure), yh, is
below a predetermined poverty line, z. At the national level, poverty indices can take into
account the proportion, depth, and severity of poverty. These three aspects of poverty (the
poverty headcount, the poverty gap, and the distance from the poverty line) are estimated
using the poverty measures developed by Foster, Greer, and Thorbecke (1984):
Pa ¼1
N
XNh¼1
z2 yh
z
� �a
;ðyh # zÞ; ð1Þ
where N is the total population and a is a parameter that penalizes the differences between
the income of the poor and the poverty line. Let us define the income of household h as the
sum of incomes of all household members derived from various sources:
yh ¼Yh
Gh
¼XGg¼1
wg;h þ Yoh; ð2Þ
where wg;h is the wage of member g in household h and Yoh represents income from other
sources of household h. Hence yh measures per capita household disposable income, the
welfare measure used here. The maquila sector is linked to household welfare—and hence
poverty—by changes in wages and employment attributable to the sector’s performance.
Following human capital theory, the log of wages is defined as a function of personal
characteristics and a random component. In order to identify the conditional gender wage
gaps and the wage effects resulting from the maquila sector, we introduce a dummy
variable for women and for workers in the maquila sector:
lnðwiÞ ¼Xj
bjxi;j þ d1Dw þ gDm þ 1i: ð3Þ
According to Equation (3), the wage of worker i is a function of j personal characteristics,
xi,j; a dummy variable, Dw, which takes the value 1 when the worker is a woman; a dummy
variable for workers in the maquila sector, Dm; a set of parameters; and a random
component, 1i.13 To test the hypothesis that part of the relationship between the maquila
expansion and poverty operates through gender, let us decompose the wage effects
brought about by the expansion of the maquila sector and express this as a linear function
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of gender:
›lnðwiÞ
›Dm
¼ g ¼ d2 þ d3Dw: ð4Þ
Substituting Equation (4) into Equation (3) yields
ln ðwiÞ ¼Xj
bjxi;j þ d1Dw þ d2Dm þ d3DwDm þ ui: ð5Þ
Parameters d1 and d2 in Equation (5) measure the gender and maquila premium,
respectively; d3 captures the wage effects of the maquila sector that operate through
gender. An alternative interpretation for the interactive effect, d3, can be found in the
literature on the economics of discrimination, which posits that the gender wage gap tends
to be smaller in export-oriented sectors (Becker, 1971). The gender wage gap is affected
by the export-oriented maquila sector by the increased competition brought about by trade
integration (Artecona & Cunningham, 2002; Arbache & Santos, 2005). The interactive
effect, d3, is equal to the difference in the gender wage gap in and out of the maquila sector
(Table 5). If the maquila sector is more competitive (and hence employers care more about
workers’ productivity rather than their gender) and there is some degree of discrimination
in the labour market, the wage gap between male and female workers in the maquila sector
should be smaller than in other sectors; d3 should thus be greater than zero.
The excluded category in Equation (5) is men outside the maquila sector; the three
parameters capturing the gender, maquila, and interaction effects are interpreted as shifts in
wages with respect to this control group. To clarify these effects, we show the wage premia
assigned by Equation (5) to the different population subgroups. A woman working in the
maquila sector, for example, will receive a market premium equal to d1 þ d2 þ d3 (with
respect to men outside the maquila sector) controlling for the market remuneration to her
personal characteristicsP
jbjxi;j. The wage premium of women working in the maquila
sector with respect to women in the other sectors will be equal to
ðd1 þ d2 þ d3Þ2 d1 ¼ d2 þ d3.
So far the analysis has not incorporated any time dimension. As noted earlier, from a
theoretical point of view, trade reforms can be seen as a shock redistributing resources
across the different sectors of the economy. This redistribution process occurs through
price changes or changes in market returns to personal characteristics. We are interested in
the welfare effects brought about by a change in maquila employment, a change in the
premia given to workers in the maquila sector, and changes in the overall gender gap, and,
in particular, the interactive effect capturing the gender wage gap differential between the
export-oriented sector and other sectors. The change in the wage premia can easily be
Table 5. Wage premia by subgroup
Sector of employment
Item Maquila Non-maquila
Men d2 ControlWomen d1 þ d2 þ d3 d1
Wage gap (men/women) 2ðd1 þ d3Þ 2d1
Source: Based on Equation (5).
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measured by introducing a time dimension to Equation (5). Define t as time dummies, and
redefine Dw ¼ D1, Dm ¼ D2, and DwDm ¼ D3 as follows:
ln wti
� �¼
XJj¼1
bjxti;j þ
X3k¼1
dkDtk þ
XTt¼2
ftt þX3k¼1
XTt¼2
ltkDtkt þ nti: ð6Þ
The first term on the right-hand side of Equation (6) captures the returns to personal
characteristics; the second term captures the effects shown in Table 5; the third term shows
time controls or year-dummies that capture overall macroeconomic changes; the fourth
term allows for time-varying gender, maquila, and interactive effects; and the last term is a
normally distributed random component. Parameters ltk (called difference-in-difference
(DID) estimators) reveal how the premia shown in Table 5 vary over time.14 If the trade
reforms in Honduras had a greater positive effect on women in the maquila sector (making
their real wages increase faster than wages in other categories over time), ltk should be
significantly different from zero and positive.
4. Results
The poverty effects of a boom in the maquila sector are estimated using data from the
Encuesta Permanente de Hogares de Propositos Multiples (EPHPM)—Honduras’
nationally representative household survey—for 1991, 1995, 2001, and 2006. The time
span covered by these surveys (1991–2006) captures a period of significant tariff
reduction and strong growth of the maquila industry (see Figure 1).
All the regression results for the four specifications of Equation (6) account for
EPHPM’s survey design (that is, clustering, stratification, and expansion factors on point
estimators and standard errors); all the results presented show heteroskedastic-robust
standard errors and control for year and industry fixed effects (Table 6).15 The first
specification shows the result of a standard human capital equation, with the log of wages a
function of years of schooling and its squared form, experience and experience squared,
and a dummy variable for urban workers. The results of this specification are as expected.
One additional year of schooling yields a 10% increase in wages; experience has a
positive, though marginally decreasing, effect on earnings; and urban wages are about
16% higher than rural wages. Female wage-earners in Honduras earn 27% less than men,
once differences in education, experience, industry of occupation and location (rural vs
urban) are taken into account. Regardless of their gender, maquila workers earn a
conditional wage premium of 31% over workers outside the sector. These results are
robust, both qualitatively and quantitatively, to differences in model specification.
The second specification includes three dummy variables capturing the gender wage
gap, a maquila-specific wage premium, and a premium associated with women in the
maquila sector, respectively. Recall that the interactive term measures the difference in the
gender wage gap inside and outside the maquila sector. Between 1991 and 2006, women
earned average wages that were 28.7% lower than those of men. The average wage of
workers in the maquila sector was more than 20% higher than those of workers outside the
sector. Controlling for observable characteristics, female workers in the maquila sector
earned 9.5% (<228.7 þ 21.6 þ 16.6) more than men working outside the maquila
sector, and 38% (<28.7 þ 9.5) more than women working outside the sector (Table 7).16
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The results for specification 2 reveal another important feature of the maquila sector: the
fact that the gender wage gap is 16.6 percentage points smaller than the gap observed in
industries outside the sector. For this reason, the increase in the importance of the maquila
industry in total employment had a gender-equalizing effect.
Table 6. Regression results
Item Specification 1 Specification 2 Specification 3a Specification 3b
Core variableSchooling 0.0953** 0.0954** 0.0956** 0.0956**Schooling squared 0.0020** 0.0020** 0.0019** 0.0019**Experience 0.0192** 0.0185** 0.0185** 0.0185**Experience squared 20.0000** 20.0000** 20.0000** 20.0000**Urban dummy 0.1630** 0.1632** 0.1635** 0.1635**
Maquila and women controlWomen dummy (d1) 20.2710** 20.2871** 20.3684** –Maquila dummy (d2) 0.3139** 0.2157** 0.2276** –Women £ maquila (d3) 0.1664** 0.2578** –
Dynamic effectsWomen
1991 – 20.3684**1995 0.0447 20.3237**2001 0.0727** 20.2957**2006 0.1650** 20.2034**
Maquila1991 – 0.2276**1995 20.1815* 0.04612001 0.0117 0.2393**2006 0.0367 0.2643**
Women £ maquila1991 – 0.2578**1995 0.0799 0.3377**2001 20.0742 0.1836**2006 20.2280** 0.0298
Year controls Yes Yes Yes YesIndustry controls Yes Yes Yes YesConstant 6.4083** 6.4260** 6.5318** 6.1634**R-squared 0.47 0.47 0.47 0.47
*Significant at 5%; **significant at 1%.Note: The dependent variable is the log of wages. Schooling is measured as the years of formal education.
Industry controls include dummy-variables for each of the nine industries at the one-digit level ofindustrial aggregation; the agricultural sector was chosen as the base category. Specifications 3aand 3b are two different ways of presenting the same equation. Sample size is 43 268.
Table 7. Wage premium results from specification (2) (%)
Item Maquila Non-maquila
Men d2 ¼ 21.5 ControlWomen d1 þ d2 þ d3 ¼ 9.5 d1 ¼ 228.7Wage gap (men/women) 2ðd1 þ d3Þ ¼ 12 2d1 ¼ 28.7
Note: All the parameters are significant at the 1% level.Source: Authors’ estimates.
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The wage premia shown in Table 7 are the average over the entire period of analysis;
these estimates do not consider any time dimension, as observations from the four
household surveys are pooled in a single sample. One of the hypotheses outlined earlier
was that the maquila boom of the 1990s resulted in a growing wage premium for
workers in the sector. To test this hypothesis, we formulate specification (3a) in Table 6,
which allows for dynamic effects (the wage premia related to gender, the maquila
sector, and the interaction between these two can take different values over time). All
the time-interacting terms, or DID estimators, take 1991 as the base year, capturing the
change in the parameter over time with respect to the initial year. Consider first the DID
estimator for the premium received by workers in the maquila sector. The lack of
statistical significance for this estimator indicates that the maquila premium remained
constant during the time period analysed here, except in 1995. This is not the case for
the gender wage gap, which decreased over time (significantly so in 2001 and 2006).
The reduction in the gender wage gap outside the maquila sector partly explains the
lack of significant dynamic effects on wage premia for women working in the maquila
sector. In fact, the DID estimator on the interactive term is negative and significant in
2006, implying that women did not receive an extra wage premium for working in the
maquila sector in 2006 (that is, the gender wage gap was the same in and out of the
maquila sector).
The lack of significant dynamic effects deserves some explanation. Although the results
on maquila wage premia suggest some level of labour market segmentation, a minimum
degree of labour mobility would be enough to offset any long-term trend in wage
differentials between the maquila and other sectors. As shown by the identical
specifications (3a) and (3b), maquila workers earned wages that were about 24% higher
than workers outside the sector in all years but 1995. This differential may be enough to
attract the workers the industry needs,17 creating no incentives for entrepreneurs to raise it
over time. With some labour mobility, the trade-mandated increase in female labour
demand would not only manifest itself as an increase in wages of women in the maquila
industry but also has an impact on the rest of the economy, thereby reducing the overall
gender wage gap. The long-term reduction in the gender wage gap (which had fallen 7.3%
from the 1991 baseline by 2001 and 16.5% by 2006) can thus be at least partly explained
by an increase in female labour demand in the maquila sector.18
4.1 The Poverty Impact of a Growing Maquila Sector
To measure the poverty effects of the maquila boom documented above, we construct a
distribution of hypothetical household per capita income that captures what the poverty
level in Honduras would have been if the maquila industry had ceased to operate in any
given year. The short-term income effect of a sudden elimination of the sector can be
decomposed into two separate impacts: wage premia and employment. This section
presents two simulations, one examining what the poverty level in Honduras would
have been had the maquila industry not paid a wage premium, and one examining what
the poverty level would be if all maquila jobs had been eliminated. These
counterfactuals illustrate the short-term poverty impact of income changes originating
in the maquila sector. We ignore the long-term or general equilibrium effects of the
maquila boom.19
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To formalize the simulation process, we redefine Equation (2) in terms of the results
from specification (3b) in Table 6:
Yh ¼XGg¼1
wg;h þ Yoh;
wti ¼ exp
XJj¼1
bjxti;j þ
XTt¼2
ftt þX3k¼1
XTt¼1
lt
kDtkt þ nti
( ):
ð7Þ
The wage equation in Equation (7) allows for different gender, maquila, and maquila–
gender effects for each year.20 Hypothetical wages can be constructed based on expression
(7), assuming that, say, the premia for workers in the maquila sector, lt2t ¼ (1991, 1995,
2001, 2006) are equal to zero or that wages for all maquila workers are set to zero. In 1991,
for example, the simulated wages for workers in the maquila sector would have been
22.7% lower than their observed level (see specification 3b in Table 6). Adding the
simulated wages to the exogenous household incomes (Yoh) and dividing this by the
number of household members yields the simulated household per capita incomes,
yih ¼ Y ih=Gh. These values are used to compute hypothetical poverty indices:
Pia ¼
1
N
XNh¼1
z2 yihz
� �a
;ðyh # zÞ: ð8Þ
The difference between the observed and simulated poverty, Pia 2 Pa, can be thought of
as the amount of poverty reduction attributed to the maquila premia, employment, or both,
depending on the simulation.21 Because both the maquila premia and the jobs created by
this sector had positive income effects, it will not come as a surprise that these impacts
reduce poverty. The aim of the exercise is to quantify the importance of the maquila
industry for poverty alleviation in Honduras.
Three simulations are run, two of which capture the poverty effects attributable to the
maquila wage premia (as shown in specification 3b in Table 6) and one of which creates a
hypothetical world in which Honduras has no maquila jobs. In the first simulation, the
year-specific maquila sector wage premia are subtracted from wages of all maquila
workers (Table 8). This counterfactual captures the difference between the observed
poverty headcount and the headcount ratio that would have prevailed in Honduras had
maquila workers not enjoyed a premium like the one shown by specification (3b) in Table
6. The second simulation captures the poverty effects of the maquila sector wage
premium, including its effect through gender. In this simulation both sets of maquila
Table 8. Estimated poverty headcounts in the absence of maquila effects, 1991–2006
Headcount ratio (%) 1991 1995 2001 2006
Actual 79.9 75.1 70.9 67.0Without maquila premium 80.0 75.1 71.5 67.6Without maquila and gender premia 80.1 75.3 71.6 67.6Without premia and maquila employment 80.5 75.9 73.0 69.4
Note: Poverty is measured using a moderate poverty line. Simulations are based on estimated parametersfrom specification (3b) in Table 6.
Source: Authors’ estimates.
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premia (the maquila effect and the women £ maquila effect in Table 6) are subtracted
from the wages of women in the maquila sector.22
Given that all parameters measuring wage premia in the maquila sector are non-
negative, it is not surprising that eliminating them increases poverty. If the maquila sector
had not paid a premium, the moderate national poverty headcount in 2001 would have
been 71.5% instead of the observed level of 70.9%; if the premium enjoyed by women in
the maquila sector had also been eliminated (together with the interaction effect), the
poverty headcount would have risen to 71.6%. By itself the maquila premium accounted
for 0.31 percentage points in the national poverty level (0.44 when allowing for gender-
specific effects).
A third simulation captures the cumulative poverty effects of maquila premia and
employment. This simulation sets the wage of all maquila workers equal to zero in order to
produce a rough idea of how important the maquila sector is for poverty alleviation in
Honduras.23 The results show that had there been no maquila jobs in Honduras in 2001, the
moderate poverty headcount would have been almost 2 percentage points higher on
average (73% instead of 70.9%).
The results presented in Table 8 are complemented by the presentation of the marginal
contribution of each component (maquila, maquila £ women, and employment) shown in
Figure 3.24 On average the maquila sector accounts for an almost 1.45 percentage point
reduction in the poverty headcount, of which 1 point is attributable to employment
creation, 0.35 points to maquila wage premium, and 0.10 points to the wage premium of
women working in the maquila sector.
These poverty effects seem rather small. One has to bear in mind, however, the limited
impact of the maquila sector in terms of overall household income. Wages paid in the
maquila sector account for less than 4% of total household income in Honduras.
Figure 3. Percentage of total poverty headcount attributable to various factors.Source: Authors’ simulations, based on estimation results from specification 3b in Table 6.Note: Percentages are computed as the marginal difference in the poverty headcount shown by thecumulative effects displayed in Table 8.
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Furthermore, the incidence of poverty among maquila workers is lower than the national
average (see Table 3). Finally, as shown by the results of the dynamic model, the premia
paid in the maquila sector did not increase as a result of the boom. These factors explain
why the reduction in poverty attributable to the additional premium paid to workers in the
maquila sector (including the women’s premium) is on average less than 0.5%.
Over time this premium contributed more and more to poverty reduction: in 1991 it
accounted for 0.2% of the decline in poverty; by 2006 it had contributed 0.6%. Expansion
of the maquila sector means that more people benefit from the additional gender-maquila
premia and more individuals escape poverty. Although the maquila boom of the 1990s did
not have a significant effect on wage premia, given the jobs it created, particularly jobs for
women, it certainly helped alleviate poverty in Honduras.
Two important qualifications of the results concerning the poverty effects of the maquila
boom are necessary. First, these results represent an upper bound of the contribution of the
trade (maquila)–gender link to poverty reduction given that the simulation considers the
extreme situation in which no other jobs would exist without themaquila sector ones. A full
general equilibrium analysis is needed to overcome this limitation, but applied general
equilibrium analysis has, in turn, other problems. The second qualification is that even if the
effect is large relative to the small number of women involved, this does not imply that
expanding the maquila sector is the most efficient policy for poverty reduction. Growth of
maquila employment has some indirect gender equalizing benefits, but policies directly
affecting inequality of opportunity in education access and other forms of gender
discrimination are likely to produce larger effects.
5. Conclusions
Between 1990 and 2006, Honduras experienced significant poverty reduction and a
booming maquila sector, a sector that intensively employed female workers. This article
identifies and estimates the strength of the reduction in poverty caused by the improved
opportunities the expanding sector offered to women.
The analysis shows that after controlling for observable characteristics, workers in the
maquila sector earned wages that were about 30% higher than those of workers outside the
sector. This gap was fairly stable over time. Firms in the maquila sector appear to be less
discriminatory, as suggested by a gender wage gap that is 16% smaller than the gap outside
the maquila sector.25 This result is in line with the literature on labour market
discrimination, which posits that firms operating in more competitive product markets
should be less discriminatory in their hiring or remunerating policies. Given the intensity
of its use of female labour, the expanding maquila sector contributed to the economy-wide
reduction in the gender wage gap in Honduras.
With these econometric results, we ran a partial equilibrium simulation exercise
showing that, at a given point in time, poverty in Honduras would have been 1.5
percentage points higher had the maquila sector not existed. This simulation is also useful
for answering the main question posed at the outset of the paper: how important are gender
effects in determining the relationship between trade changes (specifically maquila
expansion) and poverty reduction? Of the total maquila-related poverty reduction of 1.5
percentage points, 1 point, or 69% of the total, is due to employment creation; 0.35
percentage points, or 24%, is attributable to the wage premium paid to maquila workers
(both women and men); and 0.1 percentage points, or 7%, to the wage premium received
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specifically by women in the maquila sector. Given the limited poverty effects of maquila
expansion overall (around 1.5 percentage points) and despite its positive impact via gender
equality, maquila promotion, by itself, has limited effectiveness and is not by itself an
adequate solution to the problem of poverty in Honduras.
Notes
1 A large literature describes in detail the globalization-growth-inequality-poverty nexus. See for recent
examples Nissanke & Thorbecke (2006), Ravallion (2001) and Bussolo & Round (2006). This
literature, however, does not focus on gender. In their exhaustive survey on trade and poverty, Winters
et al. (2004) mention just a few case studies in which gender plays a role, indirectly highlighting the
limited attention that the recent literature has dedicated to the gender topic.2 Authors’ computations based on data from INE (several years).3 A manufacturing firm is defined as a maquila when it operates within a fiscal regime that allows it to
import intermediate goods on a duty-free or tariff-free basis, process or assemble them (labour value-
added), and then re-export the final goods, usually to the originating country.4 Note that both men and women working in the maquila sector earn more than their peers employed
outside this sector. This means that the gender equalizing effect of the maquila is not at the expense of
lower wages for men.5 For a summary of the poverty and inequality effects of trade liberalization in Latin American, see De
Hoyos & Lustig (2009).6 The average implicit tariff was calculated as import tariff revenue/imports fob (free on board),
excluding oil.7 For an estimation of the ex-ante poverty effects of trade liberalization in Honduras focusing on the
agricultural sector, see Republica de Honduras (2005).8 For a brief description of the main factors behind the increase in Honduras’ maquila exports, see
Appendix 1.9 People in rural areas, particularly poor small-scale farmers, were seriously affected by Hurricane Mitch.
10 Note that classifying maquila workers as living in poverty does not imply that their wages are below
the poverty line. Indeed, maquila workers get salaries above the poverty line, but this income source,
by itself, is not enough to push a family of five in Honduras out of poverty. Therefore, in those cases in
which the maquila wage is the only income source in a typical Honduran household, the worker and
his/her family would still be poor (see Ver Beek, 2001 for details).11 Although there is some wage dispersion among maquila workers that contributes to the explanation of
why some of these workers still live in households below the poverty line, earnings in this sector are
relatively well distributed. For instance, in 1991 the Gini coefficient for wages was 43.3% compared to
18.5% in the maquila sector. By 2006, after a significant increase in the number of maquila workers,
the Gini coefficient grew to 28.8%.12 A similar methodology, with an application to Mexico, can be found in Artecona & Cunningham
(2002) and De Hoyos (2009, 2011).13 Given data restrictions, the textile and apparel industry is used as a proxy for themaquila sector. In 2006,
the textile and apparel industry comprises 77% and 79% of the total labour force and value added of the
maquila sector, respectively (Banco Central de Honduras, 2007). For more details see Appendix 2.14 In a strict sense, these are triple difference estimators, because they capture differences between men
and women, between workers inside and outside of the maquila sector, and over time.15 The industries included are mining; manufacturing; electricity, gas, and water; construction;
commerce; restaurants and hotels; transport and communication; financial services; and other services.
The excluded category is the agricultural sector.16 Consider the case of a woman employed outside the maquila sector. According to specification 2 of
Table 6, she earns 28.7% less than men outside the maquila sector. Because she is not working in the
maquila sector, she does not benefit from the 9.5% premium that women in that sector enjoy.
Therefore, on average a woman employed outside the sector earns 38% less than a woman employed in
the maquila sector.17 In fact the proportion of the active female labour population employed in the maquila sector rose from
4.3% in 1991 to 12.4% in 2001.
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18 The results presented in this section are only indicative of the potential effect of the maquila expansion
on the economy-wide gender wage gap and should not be taken as conclusive evidence.19 Using a dynamic Computable General Equilibrium model, Morley et al. (2008) estimate the ex-ante
general equilibrium poverty effects of the Central American Free Trade Agreement (CAFTA) in
Honduras.20 The wage equation in Equation (7) includes the estimated individual-specific residuals nti using the
results from specification 3a in Table 6.21 Nicita & Razzaz (2003) estimate a model with enough economic structure to capture the employment
effects associated with a boom in the textile and apparel industry. The authors find that for each new
job created in the textile industry, 4.5 individuals experience an increase in their purchasing power.22 Because only significant parameters were taken into account in this micro-simulation, the maquila
effect in 1995 is equal to zero.23 This simulation is not a counterfactual of how the Honduran economy would have looked in the
absence of a maquila sector. Creating such a scenario would require estimates of the general
equilibrium effects of the sector. Therefore this simulation should be seen as an upper bound estimate
of the poverty reduction effects of the maquila boom.24 The poverty effects attributable to the different components are equal to the marginal difference in the
poverty headcount shown by the cumulative effects presented in Table 8. There is an obvious problem
of path dependency in our simulations.25 The difference declined in 2006.26 The departments with a high concentration of maquila firms are: Cortes, Atlantida, Francisco Morazan,
Yoro, Santa Barbara, Comayagua.
References
Arbache, J. S. & Santos, M. H. (2005) Trade openness and gender discrimination, University of Brasilea, Brazil,
available at SSRN: http://ssrn.com/abstract¼812564
Artecona, R. & Cunningham, W. (2002) Effects of trade liberalization on the gender wage gap in Mexico, Policy
Research Report on Gender and Development Working Paper Series No. 21, The World Bank, Washington,
DC.
Banco Central de Honduras (2006) Balanza de pagos y comercio exterior de Honduras (Tegucigalpa: Banco
Central de Honduras).
Banco Central de Honduras (2007) Actividad maquiladora en Honduras 2006 y expectativas 2007 (Tegucigalpa:
Banco Central de Honduras).
Becker, G. S. (1971) The economics of discrimination (Chicago and London: University of Chicago Press).
Bourguignon, F. (2002) The growth elasticity of poverty reduction: explaining heterogeneity across countries and
time periods, DELTA Working Papers 2002–2003, DELTA (Ecole normale superieure).
Bussolo, M. & Round, J. (2006) Globalisation and Poverty: Channels and Policy Responses (Warwick:
Routledge).
De Hoyos, R. E. (2009) Expansion comercial, pobreza y desigualdad en Mexico despues del TLCAN, in: Flores,
Trevino & Valero (Eds) La economıa Mexicana en 19 miradas (Mexico: Editorial Purrua).
De Hoyos, R. E. (2011) Female labor participation and occupation decisions in post-NAFTA Mexico, Research in
Labor Economics, 33, pp. 85–127.
De Hoyos, R. & Lustig, N. (2009) Apertura comercial, desigualdad y pobreza, Resena de los enfoques
metodologicos, el estado del conocimiento y la asignatura pendiente, El Trimestre Economico, Fondo de
Cultura Economica, 302, pp. 283–328.
Foster, J., Greer, J. & Thorbecke, E. (1984) A class of decomposable poverty measures, Econometrica, 52,
pp. 761–766.
INE (Instituto Nacional de Estadısticas) (several years) Encuesta Permanente de Hogares de Propositos
Multiples, 1991, 1995, 2001, and 2006 (Tegucigalpa: INE).
Low, P., Eiermartini, R. & Richtering, J. (2005) Multilateral Solutions to the Erosion of Non-Reciprocal
Preferences in NAMA, WTO Working Paper ERSD–2005–2005, World Trade Organization, Geneva.
Morley, S., Nakasone, E. & Pineiro, V. (2008) The Impact of CAFTA on Employment, Production and Poverty in
Hondruas, Discussion Paper No. 748, International Food Policy Research Institute, Washington.
Nicita, A. & Razzaz, S. (2003) Who benefits and how much?: how gender affects welfare impacts of a booming
textile industry, Policy Research Working Paper Series 3029, The World Bank.
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Mechanisms (Basingstoke and New York: Palgrave Macmillan).
Ravallion, M. (2001) Growth, inequality and poverty: looking beyond averages, World Development, 29, pp.
1803–1815.
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Documento de Trabajo, Secretaria de Estado del Despacho Presidencial, Honduras.
Skripnitchenko, A. & Abbott, P. (2003) Trade in Apparel to the U.S. under the Caribbean Basin Initiative:
A Dynamic Investment Approach. Paper Presented at the International Conference “Agricultural Policy
Reform and the WTO: Where Are We Heading?” Capri, Italy, 23–26 June.
Ver Beek, K. A. (2001) Maquiladoras: exploitation or emancipation? an overview of the situation of maquiladora
workers in honduras, World Development, 29, pp. 1553–1567.
Winters, L. A., McCulloch, N. & McKay, A. (2004) Trade liberalization and poverty: the evidence so far, Journal
of Economic Literature, 42(1), pp. 72–115.
Appendix 1. Main Factors Behind Expansion of the Maquila Industry in Honduras
US Trade Preferences
Outward processing is essentially a preferential trade arrangement that exempts from
import duties all the materials used in a sector whose products are entirely exported (i.e. a
maquila). The outward-processing programmes in apparel and textiles under the
Caribbean Basin Initiative (CBI) are among the most successful preferential trade
arrangements; since the 1980s they have become an important part of US apparel imports.
The CBI, established in 1983, originally left in place custom duties on a small group of
products, including textiles and clothing. In 1986, the USA instituted the Special Access
Program (SAP), which encouraged outward-processing trade in apparel and textiles with
the beneficiary countries of the CBI. It also provided preferential market access and
maintained the rules of origin. In 2000 the USA adopted the Caribbean Basin Trade
Partnership Act of 2000 (CBTPA), which improved preferential treatment of outward-
processing apparel from CBI countries. The new act eliminated all tariffs (which averaged
5.8% in 1998–1999) and maintained the SAP requirements of the usage of US-made
materials from import duties (see Skripnitchenko & Abbott, 2003). The CBTPA spurred
the maquila industry in the CBI region, offsetting the effect of “NAFTA parity”.
Export Incentives, Logistics, and the Cost of Labour
The development of the maquila industry has been supported by a special legal framework
that provides incentives such as temporary import and duty-free import on inputs for
exports, originating in 1976 with the adoption of the law establishing the free zone of
Puerto Cortes (Decree No. 356 of July 1976). A second law (the Decree No. 30 of 20
December 1984) created the temporary import regime. The law establishing export
processing zones (Decree No. 37–87 of April 1987) enhanced the expansion of the
maquila industry, providing incentives to develop large private industrial parks in which to
establish maquila enterprises. Decree No. 130–98 of 20 May 1998, amended the law
establishing the free trade zone of Puerto Cortes to allow the organization of free trade
zones in any part of Honduras. These export-supporting schemes are subject to the
disciplines of the World Trade Organization (WTO) Agreement on Subsidies and
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Countervailing Measures. However, as a developing country listed in Annex VII(b) of the
Agreement, Honduras can apply to maintain these schemes beyond 2009 if per capita GNP
does not surpass $1000 in constant 1990 US dollars for three consecutive years. Honduras’
relatively short end-to-end logistic time, good facilities in free export zones, the largest
port in Central America, and fairly low wages are important assets for the continued
growth of Honduras’ maquila industry. In March 2006 Honduran and US authorities
signed the Container Security Initiative, a partnership that should help accelerate the entry
of cargo from Puerto Cortes into the USA.
The DR–CAFTA Free Trade Agreement and the WTO
The DR–CAFTA spurred the maquila sector in Central America. However, the 1 January
2005 inclusion of textiles and apparel in the WTO rules has resulted in declining demand
in the USA for CBI outward-processing apparel, which faces strong competition from
countries such as Bangladesh, China, and Vietnam. In addition, the negotiations within the
deferred Doha Round that are expected to reduce tariffs in the industrial sector (known as
NAMA, for non-agricultural market access) are likely to result in the erosion of the DR-
CAFTA market access preference for textile and clothing. Low et al. (2005) argue that
Honduras will be one of the developing countries most severely affected by the erosion
preferences in NAMA, indicating that an important part of the erosion would come from
the textile and apparel sector.
Appendix 2. Identifying Employees in the Maquila Industry from Honduras’
Household Surveys (EPHPM)
Before 2006 the Honduras household survey (EPHPM) did not include information on
maquila labour participation. This Appendix shows how workers were classified into
maquila versus non-maquila for years prior to 2006.
In 2006, the EPHPM shows that firms within the maquila regime and part of the textile
and apparel industry are highly concentrated in a few departments (or provinces) in
Honduras.26 In all years, the EPHPM reports information on employees working in the
manufacture of textiles, knitting mills or the manufacture of apparel, except footwear, as
classified by the UN International Standard Industrial Classification of all Economics
Activities, Third Revision (ISIC Rev. 3).
For years other than 2006, when the question about working in a maquila was not
included, a worker was classified as being part of the maquila industry when the following
conditions were satisfied: currently employed, employed by the private sector, working in
the textile and apparel industry, working in an establishment with 10 or more workers, and
located in departments where maquila operate.
In order to evaluate the “goodness of fit” of these classification criteria, workers were
classified into maquila and non-maquila in 2006 following the procedure described above
and compared with the observed classification. In 98% of the cases, this procedure
correctly identified workers in the maquila sector and part of the textile and apparel
industry, giving us a high level of confidence in the approach.
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